Lexus LS 400 running too rich - Episode 30 Project LS 400

Now that Project LS 400 is out on the road, some issues show up. In this episode I adress the high fuel cosumption. What causes it, and how does the air mixtrure control actually work?
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0:37 Intro
2:52 Lexus LS 400 onboard diagnostic system explained
5:05 How to read the codes
6:36 Diagnostic test mode
10:05 O2 sensors / Mixture fault codes
12:00 How to reset the fault codes
13:00 The Diagnostic connector in the engine bay
13:34 How to measure the O2 sensors
15:50 How to test the coolant temperature sensor
17:30 How to inspect the air volume sensor
18:00 How a Karman Vortex sensor works (Air Volume Sensor)
25:11 Outro
#Lexus #LS400 #1UZ-FE #Diagnostic #Repair #Maintenance #Car #Mechanic